Data Cart

Your data extract

0 variables
0 samples
View Cart
Had asthma in past 12 months

Codes and Frequencies

Can't find the category you are looking for? Try the Detailed codes


This variable describes if the respondent had asthma in past 12 months.

Please refer to the Comparability section for more information on changes in the universe of this variable.

Related Variables

For a full list of variable related to asthma, see the "Asthma" link under the "Conditions" tab, under the "Persons" variables tab on the IPUMS NHIS website.


Changes in the universe limit the comparability of this variable. In 1988, this variable was asked of sample persons who ever worked. In 1991, this variable was asked of sample persons over age 18.


  • 1988: Sample persons aged 18+ who have ever worked.
  • 1991: Sample persons aged 18+.


  • 1988, 1991